Polling sites around the Islands open tomorrow from 7 a.m. to 6 p.m. as voters across the state vote on legislative and Congressional seats and county mayors on O'ahu, Kaua'i and the Big Island.

Although polls close at 6 p.m. tomorrow, people standing in line will still be able to cast ballots.

Election officials encourage people to vote during the nonpeak hours of 9:30-11 a.m. and from 1-4 p.m. tomorrow.

Because tomorrow is a primary election, voters will mark their ballots by which party primary they want to participate in, then can vote only for that party's election contestants.

For more information, call the Office of Elections at 453-8683 or check locations of polling places by visiting www.hawaii.gov/elections and click on the link, "Polling Place Locator."

Also to be decided tomorrow are each party's finalists for the November general election in state House and Senate campaigns. Several county council and state Board of Education campaigns also will be decided.

Voter registration is up just 1.8 percent statewide from two years ago, and elections officials predict that about 40 percent of voters who participate in the primary will cast ballots via absentee or walk-in voting before Saturday.

Island-by-island turnout may be higher because of the mayoral campaigns. On the Big Island, for example, voter registration is up 6 percent.

For information on specific county elections, call your county clerk:

• Honolulu: 768-3800

• Big Island: 961-8277

• Maui: 270-7749

• Kaua'i: 241-6350

For assistance on election day, call the state Office of Elections at 453-VOTE (8683). Neighbor Islanders can call toll free at 800 442-8683 or contact their county clerk's office.